diff --git a/Extension_Participants.csv b/Extension_Participants.csv
new file mode 100644
index 0000000..48770f4
--- /dev/null
+++ b/Extension_Participants.csv
@@ -0,0 +1,22 @@
+Participant,ReturningKitchen,ChangingKitchen,NewParticipant
+P01,0,1,0
+P02,1,0,0
+P03,1,0,0
+P04,1,0,0
+P06,0,1,0
+P07,0,1,0
+P09,0,1,0
+P11,0,1,0
+P12,0,1,0
+P22,1,0,0
+P23,0,1,0
+P25,1,0,0
+P26,1,0,0
+P27,1,0,0
+P28,1,0,0
+P30,0,1,0
+P33,0,0,1
+P34,0,0,1
+P35,0,0,1
+P36,0,0,1
+P37,0,0,1
\ No newline at end of file